//删除c语言程序中所有的注释语句，要正确处理带引号的字符串与字符串常量

#include <stdio.h>

using namespace std;

#define MAXLINE 1000

void rcomment(int c);

void in_comment(void);

void deleteTail(void);

FILE* fp;

FILE* fp2;

int main()

{

    fp=fopen("C:\\Users\\Administrator\\Desktop\\leetcode.cpp","r");

    fp2=fopen("C:\\Users\\Administrator\\Desktop\\out.txt","w");

    bool deleteMutiline=false;

    char line[MAXLINE];

    int c;

    while((c=getc(fp))!=EOF)

        rcomment(c);

    return ;

}

void rcomment(int c){

    int d;

    if(c=='/'){

        if((d=getc(fp))=='*')

            in_comment();

        else if (d=='/')

            deleteTail();

        else

        {

            putc(c,fp2);

            putc(d,fp2);

        }

    }else

        putc(c,fp2);

}

void in_comment(void){

    int c,d;

    c=getc(fp);

    d=getc(fp);

    while (c!='*'||d!='/')

    {

        c=d;

        d=getc(fp);

    }

}

void deleteTail(){

    int c;

    c=getc(fp);

    while (c!='\n')

    {

        c=getc(fp);

    }

    putc('\n',fp2);

}